What color ps is used to add text to the walls of general classrooms?

1. Walls are generally white, and the fonts hanging on the wall should be "dark" in contrast, which will have a stronger contrast and be more eye-catching. 2. Considering the purpose, if it is used as a slogan, it is usually better to use warm colors such as dark red or orange. If it is used for decoration, it is better to choose "medium green or lake blue, cobalt blue" which will be more eye-catching.